(19)
(11) EP 1 275 985 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
22.10.2003 Bulletin 2003/43

(43) Date of publication A2:
15.01.2003 Bulletin 2003/03

(21) Application number: 02013621.4

(22) Date of filing: 19.06.2002
(51) International Patent Classification (IPC)7: G02B 1/11, G02B 1/04, G02B 5/20
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 25.06.2001 JP 2001191633

(71) Applicant: Asahi Glass Company, Limited
Chiyoda-ku, Tokyo 100-8405 (JP)

(72) Inventors:
  • Kawasato, Fumiko
    Ichihara-shi, Chiba (JP)
  • Miyako, Takeomi
    Ichihara-shi, Chiba (JP)
  • Terui, Hirotoshi
    Ichihara-shi, Chiba (JP)

(74) Representative: Müller-Boré & Partner Patentanwälte 
Grafinger Strasse 2
81671 München
81671 München (DE)

   


(54) Optical film


(57) An optical film which comprises a color tone correcting layer (A) containing as the main component a thermoplastic resin which is soluble in a solvent and which has a glass transition temperature of from 120 to 180°C, and containing a colorant which has a color tone correcting property, and a transparent resin layer (B) having a self-healing property and an ultraviolet ray absorption property, present on the viewer's side of the color tone correcting layer (A).






Search report